﻿<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>记录页面的修改时间</title>
</head>
<body>
<script language="JavaScript">
  document.write("本页面最后更新的时间是: " + document.lastModified + "")
</script>
</body>
</html>